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Profitability · Wisconsin

Most Efficient US Banks (Lowest Efficiency Ratio) in Wisconsin

Ranked among banks headquartered in Wisconsin. Re-ranked 1-100 within the state from the same national ranking population.

#1 US Banks (Lowest Efficiency Ratio): BANK OF ALMA — 11.07% . The efficiency ratio measures non-interest operating expense against net revenue — a lower ratio means the bank converts more of each revenue dollar into pre-tax income.

Ranked: 148 banks with reported data Showing: Top 100 Source: FFIEC call reports (Q1 2026) What is this metric? See the Most Efficient US … glossary entry Go deeper: What Is the Bank Efficiency Ratio? Formula, Benchmarks, and What Moves It
# Bank HQ Most Efficient US … Total Assets
1 Bank of Alma Alma , WI 11.07% $339.3M
2 First National Bank of Bangor, the Bangor , WI 16.78% $359.4M
3 John Deere Financial, F.S.B. Middleton , WI 26.61% $4.11B
4 West Pointe Bank Oshkosh , WI 32.49% $374.1M
5 Bank of Wisconsin Dells Wisconsin Dells , WI 37.71% $1.07B
6 Woodtrust Bank Wisconsin Rapids , WI 37.74% $707.5M
7 Security State Bank Iron River , WI 38.50% $140.6M
8 State Bank of Chilton Chilton , WI 39.26% $512.5M
9 Citizens State Bank - La Crosse La Crosse , WI 39.85% $653.0M
10 Nekoosa Port Edwards State Bank Nekoosa , WI 40.22% $283.7M
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11 State Bank of Newburg Newburg , WI 40.34% $330.9M
12 Cumberland Federal Bank, FSB Cumberland , WI 40.37% $328.6M
13 International Bank of Amherst, the Amherst , WI 40.60% $100.1M
14 Bank of Prairie Du Sac Prairie Du Sac , WI 41.24% $755.3M
15 Intercity State Bank Schofield , WI 42.19% $260.5M
16 Town Bank, N.A. Hartland , WI 42.31% $4.52B
17 Northwestern Bank, the Chippewa Falls , WI 42.75% $712.0M
18 Farmers & Merchants Union Bank Columbus , WI 44.28% $903.8M
19 Alliance Bank Mondovi , WI 44.45% $254.1M
20 River Bank Stoddard , WI 45.17% $1.05B
21 Bank of Mauston Mauston , WI 46.72% $419.8M
22 Chippewa Valley Bank Hayward , WI 46.96% $735.5M
23 Security Bank New Auburn , WI 47.11% $241.1M
24 Blc Community Bank Little Chute , WI 47.35% $475.4M
25 First Citizens State Bank Whitewater , WI 48.04% $511.4M
26 National Exchange Bank and Trust Fond Du Lac , WI 48.24% $2.93B
27 Spring Bank Brookfield , WI 48.33% $441.9M
28 Wolf River Community Bank Hortonville , WI 48.45% $378.1M
29 Bank of Milton Milton , WI 51.12% $222.2M
30 National Bank of Commerce Superior , WI 51.33% $2.21B
31 One Community Bank Oregon , WI 51.43% $2.55B
32 Farmers & Merchants Bank, the Berlin , WI 51.84% $949.0M
33 Bonduel State Bank Bonduel , WI 51.84% $130.7M
34 Bank of New Glarus, the New Glarus , WI 52.54% $824.2M
35 Fortifi Bank Berlin , WI 53.00% $723.0M
36 Shell Lake State Bank Shell Lake , WI 53.69% $357.5M
37 Security Financial Bank Durand , WI 53.90% $1.02B
38 Mound City Bank Platteville , WI 53.94% $545.9M
39 Bank Five Nine Oconomowoc , WI 54.24% $2.61B
40 Sterling Bank Barron , WI 54.71% $355.8M
41 Farmers Savings Bank Mineral Point , WI 54.81% $457.9M
42 Bank First, N.A. Manitowoc , WI 55.05% $6.06B
43 Clare Bank, N.A. Platteville , WI 55.63% $342.8M
44 Northern State Bank Ashland , WI 55.88% $328.8M
45 First Community Bank Milton , WI 55.96% $162.7M
46 Citizens Bank Mukwonago , WI 56.28% $1.17B
47 Associated Bank, N.A. Green Bay , WI 56.30% $45.54B
48 Peoples Community Bank, the Mazomanie , WI 56.34% $393.8M
49 Union State Bank West Salem , WI 56.58% $119.1M
50 Pineries Bank, the Stevens Point , WI 56.66% $149.4M
51 Headwaters State Bank Land O'Lakes , WI 56.73% $119.6M
52 Oak Bank Fitchburg , WI 56.82% $462.1M
53 Citizens First Bank Viroqua , WI 56.83% $344.2M
54 First Business Bank Madison , WI 56.83% $4.32B
55 Great Midwest Bank, State Savings Bank Brookfield , WI 57.26% $1.06B
56 Baraboo State Bank Baraboo , WI 57.27% $575.2M
57 Woodford State Bank Monroe , WI 57.37% $509.6M
58 Citizens State Bank Hudson , WI 57.62% $488.1M
59 Partners Bank Spencer , WI 58.04% $286.8M
60 Bank of Deerfield, the Deerfield , WI 58.23% $261.5M
61 Capitol Bank Madison , WI 58.30% $589.4M
62 Peoples State Bank Prairie Du Chien , WI 59.08% $973.3M
63 Royal Bank Elroy , WI 59.08% $808.6M
64 Community First Bank Boscobel , WI 59.36% $637.6M
65 Ccfbank N.A. Altoona , WI 59.73% $1.82B
66 Citizens State Bank of Loyal Loyal , WI 59.81% $307.3M
67 Waukesha State Bank Waukesha , WI 59.89% $1.63B
68 Oakwood Bank Pigeon Falls , WI 59.95% $151.4M
69 Farmers State Bank of Waupaca, the Waupaca , WI 60.05% $275.9M
70 Badger Bank Fort Atkinson , WI 60.26% $208.8M
71 Horicon Bank Horicon , WI 60.31% $1.68B
72 Community Bank of Cameron Cameron , WI 60.34% $221.0M
73 Dairy State Bank Rice Lake , WI 60.66% $749.6M
74 Hiawatha National Bank Hager City , WI 61.65% $773.1M
75 Greenleaf Bank Greenleaf , WI 61.82% $154.3M
76 Johnson Bank Racine , WI 61.96% $7.01B
77 Oostburg State Bank Oostburg , WI 62.04% $429.9M
78 Lake Ridge Bank Middleton , WI 62.14% $3.33B
79 Portage County Bank, the Almond , WI 62.36% $212.6M
80 American National Bank-fox Cities Appleton , WI 63.63% $434.4M
81 Waumandee State Bank Waumandee , WI 63.79% $350.6M
82 Richland County Bank Richland Center , WI 63.91% $113.6M
83 Incrediblebank Wausau , WI 63.93% $2.06B
84 Peoples State Bank Wausau , WI 63.99% $1.49B
85 Citizens State Bank Cadott , WI 64.13% $242.6M
86 Crossbridge Community Bank Tomahawk , WI 64.15% $215.5M
87 Collins State Bank Collins , WI 64.43% $288.2M
88 Bay Bank Green Bay , WI 64.95% $312.7M
89 Community State Bank Union Grove , WI 65.24% $651.9M
90 Black River Country Bank Black River Falls , WI 65.97% $100.7M
91 Bankers' Bank Madison , WI 66.21% $1.45B
92 Forte Bank Hartford , WI 66.49% $407.4M
93 State Bank Financial La Crosse , WI 66.63% $537.1M
94 First National Bank of River Falls, the River Falls , WI 66.63% $325.9M
95 Farmers & Merchants Bank & Trust Marinette , WI 66.75% $173.6M
96 Conservation First Bank Benton , WI 66.79% $123.1M
97 First National Community Bank New Richmond , WI 66.95% $336.8M
98 Pillar Bank Baldwin , WI 67.14% $266.8M
99 Cleveland State Bank Cleveland , WI 67.24% $239.6M
100 Premierbank Fort Atkinson , WI 67.47% $586.0M

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All data sourced from the most recent FFIEC call report filings, refreshed each quarter as new filings are processed. This leaderboard excludes banks with total assets under $100,000K to filter out anomalous micro-bank ratios. See /data-updates/ for the current data freshness window.

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